Expression of P2Y12 in mouse brain. Immunohistochemical staining of P2Y12 (red) in mouse brain using Anti-P2Y12 Receptor antibody. The region shown in this picture is the entorhinal cortex in mouse brain. The P2Y12 positive fibers (arrows) run from the corpus callosum (triangles) into the deep layers of the entorhinal cortex. Sytox green is used as the counterstain.